Gayle Marsh (Psi) was created by Paul Kupperberg and Carmine Infantino, first appearing in Supergirl (Volume 2) #1. However, in the relaunched Prime Earth continuity her first appearance as part of the DC Universe is in Sterling Gates and Neil Edwards' New 52 Forever Evil: A.R.G.U.S. series.This story arc featuring both heroines continues in Supergirl (Volume 7) #9.TriviaThis Annual marks the first time Kara Zor-El as Supergirl and Barbara Gordon as Batgirl have teamed up in the main universe since the Crisis on Infinite Earths.The second story takes place before Batgirl Vol 5 #1.